<template>
	<div>
		<!-- 面包屑导航区域 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>用户管理</el-breadcrumb-item>
			<el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片视图 -->
		<el-card>
			<!-- 添加角色按钮区域 -->
			<el-row>
				<el-col>
					<el-button type="primary" @click="openAddDialog">添加角色</el-button>
				</el-col>
			</el-row>
			<!-- 角色列表区域 -->
			<el-table :data="rolelist" border stripe>
				<!-- 展开列 -->
				<el-table-column type="expand">
					<template slot-scope="scope">
						<el-row :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter']"
							v-for="(item1, i1) in scope.row.children" :key="item1.id">
							<!-- 渲染一级权限 -->
							<el-col :span="5">
								<el-tag closable @close="removeRightById(scope.row, item1.id)">
									{{ item1.authName }}
								</el-tag>
								<i class="el-icon-caret-right"></i>
							</el-col>
							<!-- 渲染二级和三级权限 -->
							<el-col :span="19">
								<!-- 通过for循环嵌套渲染二级权限 -->
								<el-row :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']"
									v-for="(item2, i2) in item1.children" :key="item2.id">
									<el-col :span="6">
										<el-tag type="success" closable @close="removeRightById(scope.row, item2.id)">
											{{ item2.authName }}
										</el-tag>
										<i class="el-icon-caret-right"></i>
									</el-col>
									<el-col :span="18">
										<el-tag type="warning" v-for="item3 in item2.children" :key="item3.id" closable
											@close="removeRightById(scope.row, item3.id)">{{ item3.authName }}</el-tag>
									</el-col>
								</el-row>
							</el-col>
						</el-row>
						<!-- <pre>
                    {{ scope.row }}
                    </pre
            > -->
					</template>
				</el-table-column>
				<!-- 索引列 -->
				<el-table-column type="index"></el-table-column>
				<el-table-column label="角色名称" width="200px" prop="title"></el-table-column>
				<!--   <el-table-column label="角色描述" prop="roleDesc"></el-table-column> -->
				<el-table-column label="操作" width="300px">
					<template slot-scope="scope">
						<el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
						<el-button size="mini" type="danger" @click="delRole(scope.row)" icon="el-icon-delete">删除
						</el-button>
						<el-button size="mini" type="warning" icon="el-icon-setting"
							@click="showSetRightDialog(scope.row)">分配权限</el-button>
					</template>
				</el-table-column>
			</el-table>
		</el-card>
		<!-- 分配权限的对话框 -->
		<el-dialog title="分配权限" :visible.sync="setRightDialogVisible" width="50%" @close="serRightDialogClosed">
			<!-- 树形控件 -->
			<el-tree :data="rightslist" :props="treeProps" show-checkbox node-key="id" default-expand-all
				:default-checked-keys="defKeys" ref="treeRef"></el-tree>


			<span slot="footer" class="dialog-footer">
				<el-button @click="setRightDialogVisible = false">取 消</el-button>
				<el-button type="primary" @click="allotRights">确 定</el-button>
			</span>
		</el-dialog>



		<!-- 添加角色对话框 -->
		<el-dialog title="收货地址" :visible.sync="AddDialogFormVisible">
			<el-form :model="AddForm">
				<el-form-item label="角色名称" label-width="100px">
					<el-input v-model="AddForm.name" autocomplete="off"></el-input>
				</el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click="AddDialogFormVisible = false">取 消</el-button>
				<el-button type="primary" @click="addRole">确 定</el-button>
			</div>
		</el-dialog>





















	</div>
</template>
<script>
	export default {
		data() {
			return {
				AddForm: {
					name: ""
				},
				//添加角色对话框显示与隐藏
				AddDialogFormVisible: false,
				//所有角色列表数据
				rolelist: [],
				//分配权限对话框的显示与隐藏
				setRightDialogVisible: false,
				//所有权限的数据
				rightslist: [],
				//树形控件的属性绑定对象
				treeProps: {
					label: 'title',
					children: 'children',
				},
				//默认选中的节点Id值数组
				defKeys: [],
				//当前即将分配权限的角色id
				roleId: '',
				// roleNode: {
				// 	id: "",
				// 	title: "",
				// 	checked: "",
				// 	children: []
				// }
			}
		},
		created() {
			this.getRolesList()
		},
		methods: {
			//打开添加角色对话框
			openAddDialog() {
				this.AddDialogFormVisible = true;
			},
			//添加角色
			async addRole() {
				console.log("添加角色");
				const res = await this.$http.post("/api/api/CreateRole?token=283e105a-79a3-4130-99f7-ffd3e9d4078d", {
					name: this.AddForm.name

				});
				if (res.status !== 200) {
					this.$message.error("添加角色失败");
				}
				this.$message.success("添加角色成功");
				this.AddDialogFormVisible = false;
				this.getRolesList();

			},
			async delRole(obj) {
				console.log("删除角色");
				console.log(obj);
				const confirmResult = await this.$confirm(
					'此操作将永久删除该角色, 是否继续?',
					'提示', {
						confirmButtonText: '确定',
						cancelButtonText: '取消',
						type: 'warning',
					}
				).catch((err) => err)
				if (confirmResult !== 'confirm') {
					return this.$message.info('取消了删除!')
				}
				const res = await this.$http.post("/api/api/DeleteRole?token=283e105a-79a3-4130-99f7-ffd3e9d4078d", {
					roleId: obj.Id
				});
				if (res.status !== 200) {
					this.$message.error("删除角色失败");
				}
				this.$message.success("删除角色成功");

				this.getRolesList();

			},

			//获取所有角色的列表
			async getRolesList() {
				const res = await this.$http.post('/api/api/GetRolesAll?token=283e105a-79a3-4130-99f7-ffd3e9d4078d')

				if (res.status !== 200) {
					return this.$message.error('获取角色列表失败!')
				}
				res.data.forEach((item) => {
					this.GetModulesByRoleId(item);	
				})
			},
			
			
			//获取当前角色的 权限  即一级节点
			async GetModulesByRoleId(item) {

				const res = await this.$http.post(
					"/api/api/GetModulesByRoleIdLayUI?token=283e105a-79a3-4130-99f7-ffd3e9d4078d", {
						roleId: item.Id
					}
				);
				if (res.status !== 200) {
					return this.$message.error('获取角色权限数据失败!')
				}
				
				this.rolelist.push({
					id: item.Id,
					title: item.Name,
					checked: item.checked,
					children: res.data
				});
				console.log("===============")
				console.log(res.data)

			},
			//根据id删除对应权限
			async removeRightById(role, rightId) {
				//弹框提示用户是否要删除
				const confirmResult = await this.$confirm(
					'此操作将永久删除该文件, 是否继续?',
					'提示', {
						confirmButtonText: '确定',
						cancelButtonText: '取消',
						type: 'warning',
					}
				).catch((err) => err)
				if (confirmResult !== 'confirm') {
					return this.$message.info('取消了删除!')
				}
				// console.log('确认删除！')
				const {
					data: res
				} = await this.$http.delete(
					`roles/${role.id}/rights/${rightId}`
				)
				if (res.meta.status !== 200) {
					return this.$message.error('删除权限失败!')
				}
				//this.getRolesList()
				role.children = res.data
			},


			//展示分配权限的对话框
			async showSetRightDialog(role) {
				console.log("展示分配权限对话框")
				console.log(role)
				this.roleId = role.Id;
				this.setRightDialogVisible = true;

				//获取所有权限的数据
				const res = await this.$http.post(
					'/api/api/GetAllModuleLayUI?token=283e105a-79a3-4130-99f7-ffd3e9d4078d')
				if (res.status !== 200) {
					return this.$message.error('获取权限数据失败!')
				}

				this.$message.success('获取权限数据成功!')


				//把获取到的权限数据保存到data中
				console.log("//把获取到的权限数据保存到data中")
				this.rightslist = res.data
				console.log(this.rightslist)
				//递归获取三级节点的Id
				this.getLeafKeys(role, this.defKeys)
				console.log("默认选中")
				console.log(this.defKeys)
				this.setRightDialogVisible = true
			},
			//通过递归的形式，获取角色下所有三级权限的id，并保存到defKeys数组中
			getLeafKeys(node, arr) {
				//如果当前node节点不包含children属性，则是三级节点
			
				if (!node.children) {
					
					if(node.checked){
							return arr.push(node.id)
					}
					return 
				
				}
				node.children.forEach((item) => this.getLeafKeys(item, arr))
			},
			//监听分配权限对话框的关闭事件
			serRightDialogClosed() {
				this.defKeys = []
			},
			//点击为角色分配权限
			async allotRights() {
				const keys = [
					...this.$refs.treeRef.getCheckedKeys(),
					...this.$refs.treeRef.getHalfCheckedKeys(),
				]
				//console.log(keys)
				const idStr = keys.join(',')
				const {
					data: res
				} = await this.$http.post(
					`roles/${this.roleId}/rights`, {
						rids: idStr
					}
				)
				if (res.meta.status !== 200) {
					return this.$message.error('分配权限失败!')
				}
				this.$message.success('分配权限成功!')
				this.getRolesList()
				this.setRightDialogVisible = false
			},
		},
	}
</script>
<style lang="less" scoped>
	.el-tag {
		margin: 7px;
	}

	.bdtop {
		border-top: 1px solid #eee;
	}

	.bdbottom {
		border-bottom: 1px solid #eee;
	}

	.vcenter {
		display: flex;
		align-items: center;
	}
</style>
